DE69535494T2 - Blindentzerrer für ein restseitenbandsignal - Google Patents

Blindentzerrer für ein restseitenbandsignal Download PDF

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Publication number
DE69535494T2
DE69535494T2 DE69535494T DE69535494T DE69535494T2 DE 69535494 T2 DE69535494 T2 DE 69535494T2 DE 69535494 T DE69535494 T DE 69535494T DE 69535494 T DE69535494 T DE 69535494T DE 69535494 T2 DE69535494 T2 DE 69535494T2
Authority
DE
Germany
Prior art keywords
signal
decision
equalizer
output
quantizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69535494T
Other languages
German (de)
English (en)
Other versions
DE69535494D1 (de
Inventor
Christopher Hugh Glenside STROLLE
Steven Todd Freehold JAFFE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of DE69535494D1 publication Critical patent/DE69535494D1/de
Application granted granted Critical
Publication of DE69535494T2 publication Critical patent/DE69535494T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • H04L7/0278—Band edge detection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H04L25/0305—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using blind adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • H04L25/0307—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using blind adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03382—Single of vestigal sideband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • H04L2025/0363—Feature restoration, e.g. constant modulus

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Television Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
DE69535494T 1994-03-21 1995-03-13 Blindentzerrer für ein restseitenbandsignal Expired - Lifetime DE69535494T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9405487A GB9405487D0 (en) 1994-03-21 1994-03-21 VSB demodulator
GB9405487 1994-03-21
PCT/US1995/003132 WO1995026075A1 (en) 1994-03-21 1995-03-13 Blind equalizer for a vestigial sideband signal

Publications (2)

Publication Number Publication Date
DE69535494D1 DE69535494D1 (de) 2007-06-21
DE69535494T2 true DE69535494T2 (de) 2008-01-10

Family

ID=10752203

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69530839T Expired - Lifetime DE69530839D1 (de) 1994-03-21 1995-03-13 Trägerunabhängiges taktrückgewinnungssystem für ein restseitenbandmoduliertes signal
DE69527419T Expired - Lifetime DE69527419T2 (de) 1994-03-21 1995-03-13 Trägerrückgewinnungssystem für ein restseitenbandsignal
DE69532170T Expired - Lifetime DE69532170T2 (de) 1994-03-21 1995-03-13 Phasendetektor in einer trägerrückgewinnungsschaltung für ein restseitenbandsignal
DE69535494T Expired - Lifetime DE69535494T2 (de) 1994-03-21 1995-03-13 Blindentzerrer für ein restseitenbandsignal

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE69530839T Expired - Lifetime DE69530839D1 (de) 1994-03-21 1995-03-13 Trägerunabhängiges taktrückgewinnungssystem für ein restseitenbandmoduliertes signal
DE69527419T Expired - Lifetime DE69527419T2 (de) 1994-03-21 1995-03-13 Trägerrückgewinnungssystem für ein restseitenbandsignal
DE69532170T Expired - Lifetime DE69532170T2 (de) 1994-03-21 1995-03-13 Phasendetektor in einer trägerrückgewinnungsschaltung für ein restseitenbandsignal

Country Status (11)

Country Link
EP (4) EP0752173B1 (zh)
JP (4) JP4044132B2 (zh)
KR (4) KR100357355B1 (zh)
CN (4) CN1057885C (zh)
BR (2) BR9507070A (zh)
DE (4) DE69530839D1 (zh)
GB (1) GB9405487D0 (zh)
MX (1) MX9604224A (zh)
MY (4) MY114158A (zh)
TW (4) TW265505B (zh)
WO (4) WO1995026074A1 (zh)

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KR100433639B1 (ko) * 1995-09-20 2004-10-06 텍사스 인스트루먼츠 인코포레이티드 잔류측파대변조시타이밍회복을위한장치및방법
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Also Published As

Publication number Publication date
TW265505B (zh) 1995-12-11
KR100384210B1 (ko) 2003-08-19
JP3651896B2 (ja) 2005-05-25
MX9604223A (es) 1998-05-31
MX9604224A (es) 1998-05-31
CN1085467C (zh) 2002-05-22
KR970702661A (ko) 1997-05-13
MY114158A (en) 2002-08-30
BR9507202A (pt) 1997-09-02
BR9507070A (pt) 1997-09-09
JPH09510840A (ja) 1997-10-28
MX9604220A (es) 1998-05-31
KR970701943A (ko) 1997-04-12
EP0752185A1 (en) 1997-01-08
TW256978B (en) 1995-09-11
KR100339110B1 (ko) 2002-10-25
MX9604225A (es) 1998-05-31
JP3651895B2 (ja) 2005-05-25
EP0752172A1 (en) 1997-01-08
CN1144589A (zh) 1997-03-05
KR970702617A (ko) 1997-05-13
CN1059992C (zh) 2000-12-27
DE69530839D1 (de) 2003-06-26
EP0801866B1 (en) 2003-11-19
GB9405487D0 (en) 1994-05-04
TW306112B (zh) 1997-05-21
KR100361723B1 (ko) 2003-02-14
CN1144580A (zh) 1997-03-05
EP0752185A4 (en) 1998-10-21
WO1995026075A1 (en) 1995-09-28
EP0752173A1 (en) 1997-01-08
DE69535494D1 (de) 2007-06-21
JPH09510841A (ja) 1997-10-28
TW285807B (zh) 1996-09-11
WO1995026101A1 (en) 1995-09-28
CN1057885C (zh) 2000-10-25
JP4044132B2 (ja) 2008-02-06
MY115343A (en) 2003-05-31
DE69532170T2 (de) 2004-08-26
DE69532170D1 (de) 2003-12-24
EP0752173B1 (en) 2007-05-09
WO1995026074A1 (en) 1995-09-28
EP0752172B1 (en) 2003-05-21
KR970701970A (ko) 1997-04-12
EP0801866A1 (en) 1997-10-22
JPH09510839A (ja) 1997-10-28
EP0801866A4 (en) 1998-10-21
WO1995026105A1 (en) 1995-09-28
CN1146267A (zh) 1997-03-26
CN1144579A (zh) 1997-03-05
JPH09510842A (ja) 1997-10-28
EP0752172A4 (en) 1998-10-21
CN1071525C (zh) 2001-09-19
KR100357355B1 (ko) 2003-01-15
MY115172A (en) 2003-04-30
DE69527419D1 (de) 2002-08-22
EP0752173A4 (en) 1998-10-21
JP3649735B2 (ja) 2005-05-18
DE69527419T2 (de) 2003-02-27
EP0752185B1 (en) 2002-07-17
MY114086A (en) 2002-08-30

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